A steamer is going downstream overcome a raft point $A$ . $2 h r$ later it turned back and after some time passed the raft at a distance $4 k m$ from point $A$ . The speed of the river is

1 k m / h

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2 k m / h

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3 k m / h

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4 k m / h

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Solution

The correct option is A $2 k m / h$
speed of river = distance covered / time elapsed

$= \frac{4 k m}{2 h r}$

$= 2 k m / h r$

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A steamer is going downstream overcome a raft point A. 2 hr later it turned back and after some time passed the raft at a distance 4 km from point A. The speed of the river is

The correct option is A 2 km/hspeed of river = distance covered / time elapsed=4km2hr=2km/hr

A steamer is going downstream overcome a raft point $A$ . $2 h r$ later it turned back and after some time passed the raft at a distance $4 k m$ from point $A$ . The speed of the river is

The correct option is A $2 k m / h$
speed of river = distance covered / time elapsed

$= \frac{4 k m}{2 h r}$

$= 2 k m / h r$